* psycho - Haiku with a psychological background. Haiku can have a reading level that expresses an underlying psychological situation that is still active. It is not sure if this analysis is accurate. It can simply exist in the reader's mind. It is almost always absent from the author's intention, as can be seen from the author's request for information.

* auteur - Presence of the author. Presence of the author in the haiku, the author stages himself but does not necessarily speak about him.